In which medium would sound travel the fastest?

• Wood

• Water

• Air

• Empty Space with No Matter

The environment favors specific characteristics and discriminates against

other characteristics are best explained through which of the following?

• Spontaneous Generation

• Mitosis

• Natural Selection

• Laws of Motion

Polar bears feed on seals. What would happen if more polar bears were

introduced into an ecosystem which contains polar bears and seals?

• The population of seals would increase.

• The population of seals would decrease.

• Seals would start feeding on the polar bears.

• Polar bears would transform into herbivores very quickly.

Which of the following waves reach a seismic station first from an earthquake?

• Primary

• Surface

• Secondary

• X-Ray

Which of the following allows the reproduction of flowering plants which are

located a far distance from bodies of water?

• Nitrogen Cycle and Gravity

• Gravity and Streams

• Sunlight and Rain

• Wind and Insects

Which best describes the observable characteristics of an organism?

• Phenotypes

• Genotypes

• DNA Coding

• Nucleotides

Which of the following would increase the amount of magnetic energy?

• Reduce the amount of electricity in a temporary magnet.

• Stack two of the same permanent magnets on top of each other.

• Cover the magnet with iron filings.

• Break the magnet in half.

A scientist is reviewing the organisms present in pond water. Which would best

help this scientist in his or her research?

• Microscope

• Telescope

• Electronic Scale

• Meter Stick

Chlorine is a green gas poisonous to organisms. Sodium explodes when in contact

with water. When they combine, they create salt which is important for the life of

organisms. Which process allows organisms to live after consuming salt?

• Transformation into New Elements

• Evaporations of Toxins

• Physical Reactions

• Chemical Reactions

Which of the following animals helps benefit multiple ecosystems?

• Wolves

• Ants

• Bears

• Butterflies